Is there a computer program to solve Calcu-doku puzzles in Python for Ubuntu Linux?

Yes, there is. I wrote it, and the source code can be found in my recent post, On Programming. A Program Written Because of a Tweet: Calcu-Doku.py.

I’m publishing this post because I have found that posts draw more traffic if you write the title in the form of a search string, or the key part thereof, so that search engines will give the post a higher ranking.